that computer seems like a Compaq Presario with a big foot Hard Drive, is just like the others hd but I know for a fact that those hd had problems and also I know for a fact that compaq used to provided Rompaqs update for those kind of drives if you told me the model number of the computer i can look around in all my files or u can check in compaq website of course I'm supposing is a compaq presario computer.
just let me know